Differential D22996 Diff 66668 head/sys/ufs/ffs/ffs_vnops.c

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head/sys/ufs/ffs/ffs_vnops.c

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#ifdef DIRECTIO		#ifdef DIRECTIO
extern int ffs_rawread(struct vnode vp, struct uio uio, int *workdone);		extern int ffs_rawread(struct vnode vp, struct uio uio, int *workdone);
#endif		#endif
static vop_fdatasync_t ffs_fdatasync;		static vop_fdatasync_t ffs_fdatasync;
static vop_fsync_t ffs_fsync;		static vop_fsync_t ffs_fsync;
static vop_getpages_t ffs_getpages;		static vop_getpages_t ffs_getpages;
static vop_getpages_async_t ffs_getpages_async;		static vop_getpages_async_t ffs_getpages_async;
static vop_lock1_t ffs_lock;		static vop_lock1_t ffs_lock;
		#ifdef INVARIANTS
		static vop_unlock_t ffs_unlock_debug;
		#endif
static vop_read_t ffs_read;		static vop_read_t ffs_read;
static vop_write_t ffs_write;		static vop_write_t ffs_write;
static int ffs_extread(struct vnode vp, struct uio uio, int ioflag);		static int ffs_extread(struct vnode vp, struct uio uio, int ioflag);
static int ffs_extwrite(struct vnode vp, struct uio uio, int ioflag,		static int ffs_extwrite(struct vnode vp, struct uio uio, int ioflag,
struct ucred *cred);		struct ucred *cred);
static vop_strategy_t ffsext_strategy;		static vop_strategy_t ffsext_strategy;
static vop_closeextattr_t ffs_closeextattr;		static vop_closeextattr_t ffs_closeextattr;
static vop_deleteextattr_t ffs_deleteextattr;		static vop_deleteextattr_t ffs_deleteextattr;
static vop_getextattr_t ffs_getextattr;		static vop_getextattr_t ffs_getextattr;
static vop_listextattr_t ffs_listextattr;		static vop_listextattr_t ffs_listextattr;
static vop_openextattr_t ffs_openextattr;		static vop_openextattr_t ffs_openextattr;
static vop_setextattr_t ffs_setextattr;		static vop_setextattr_t ffs_setextattr;
static vop_vptofh_t ffs_vptofh;		static vop_vptofh_t ffs_vptofh;

/* Global vfs data structures for ufs. */		/* Global vfs data structures for ufs. */
struct vop_vector ffs_vnodeops1 = {		struct vop_vector ffs_vnodeops1 = {
.vop_default = &ufs_vnodeops,		.vop_default = &ufs_vnodeops,
.vop_fsync = ffs_fsync,		.vop_fsync = ffs_fsync,
.vop_fdatasync = ffs_fdatasync,		.vop_fdatasync = ffs_fdatasync,
.vop_getpages = ffs_getpages,		.vop_getpages = ffs_getpages,
.vop_getpages_async = ffs_getpages_async,		.vop_getpages_async = ffs_getpages_async,
.vop_lock1 = ffs_lock,		.vop_lock1 = ffs_lock,
		#ifdef INVARIANTS
		.vop_unlock = ffs_unlock_debug,
		#endif
.vop_read = ffs_read,		.vop_read = ffs_read,
.vop_reallocblks = ffs_reallocblks,		.vop_reallocblks = ffs_reallocblks,
.vop_write = ffs_write,		.vop_write = ffs_write,
.vop_vptofh = ffs_vptofh,		.vop_vptofh = ffs_vptofh,
};		};
VFS_VOP_VECTOR_REGISTER(ffs_vnodeops1);		VFS_VOP_VECTOR_REGISTER(ffs_vnodeops1);

struct vop_vector ffs_fifoops1 = {		struct vop_vector ffs_fifoops1 = {
.vop_default = &ufs_fifoops,		.vop_default = &ufs_fifoops,
.vop_fsync = ffs_fsync,		.vop_fsync = ffs_fsync,
.vop_fdatasync = ffs_fdatasync,		.vop_fdatasync = ffs_fdatasync,
.vop_lock1 = ffs_lock,		.vop_lock1 = ffs_lock,
		#ifdef INVARIANTS
		.vop_unlock = ffs_unlock_debug,
		#endif
.vop_vptofh = ffs_vptofh,		.vop_vptofh = ffs_vptofh,
};		};
VFS_VOP_VECTOR_REGISTER(ffs_fifoops1);		VFS_VOP_VECTOR_REGISTER(ffs_fifoops1);

/* Global vfs data structures for ufs. */		/* Global vfs data structures for ufs. */
struct vop_vector ffs_vnodeops2 = {		struct vop_vector ffs_vnodeops2 = {
.vop_default = &ufs_vnodeops,		.vop_default = &ufs_vnodeops,
.vop_fsync = ffs_fsync,		.vop_fsync = ffs_fsync,
.vop_fdatasync = ffs_fdatasync,		.vop_fdatasync = ffs_fdatasync,
.vop_getpages = ffs_getpages,		.vop_getpages = ffs_getpages,
.vop_getpages_async = ffs_getpages_async,		.vop_getpages_async = ffs_getpages_async,
.vop_lock1 = ffs_lock,		.vop_lock1 = ffs_lock,
		#ifdef INVARIANTS
		.vop_unlock = ffs_unlock_debug,
		#endif
.vop_read = ffs_read,		.vop_read = ffs_read,
.vop_reallocblks = ffs_reallocblks,		.vop_reallocblks = ffs_reallocblks,
.vop_write = ffs_write,		.vop_write = ffs_write,
.vop_closeextattr = ffs_closeextattr,		.vop_closeextattr = ffs_closeextattr,
.vop_deleteextattr = ffs_deleteextattr,		.vop_deleteextattr = ffs_deleteextattr,
.vop_getextattr = ffs_getextattr,		.vop_getextattr = ffs_getextattr,
.vop_listextattr = ffs_listextattr,		.vop_listextattr = ffs_listextattr,
.vop_openextattr = ffs_openextattr,		.vop_openextattr = ffs_openextattr,
.vop_setextattr = ffs_setextattr,		.vop_setextattr = ffs_setextattr,
.vop_vptofh = ffs_vptofh,		.vop_vptofh = ffs_vptofh,
};		};
VFS_VOP_VECTOR_REGISTER(ffs_vnodeops2);		VFS_VOP_VECTOR_REGISTER(ffs_vnodeops2);

struct vop_vector ffs_fifoops2 = {		struct vop_vector ffs_fifoops2 = {
.vop_default = &ufs_fifoops,		.vop_default = &ufs_fifoops,
.vop_fsync = ffs_fsync,		.vop_fsync = ffs_fsync,
.vop_fdatasync = ffs_fdatasync,		.vop_fdatasync = ffs_fdatasync,
.vop_lock1 = ffs_lock,		.vop_lock1 = ffs_lock,
		#ifdef INVARIANTS
		.vop_unlock = ffs_unlock_debug,
		#endif
.vop_reallocblks = ffs_reallocblks,		.vop_reallocblks = ffs_reallocblks,
.vop_strategy = ffsext_strategy,		.vop_strategy = ffsext_strategy,
.vop_closeextattr = ffs_closeextattr,		.vop_closeextattr = ffs_closeextattr,
.vop_deleteextattr = ffs_deleteextattr,		.vop_deleteextattr = ffs_deleteextattr,
.vop_getextattr = ffs_getextattr,		.vop_getextattr = ffs_getextattr,
.vop_listextattr = ffs_listextattr,		.vop_listextattr = ffs_listextattr,
.vop_openextattr = ffs_openextattr,		.vop_openextattr = ffs_openextattr,
.vop_setextattr = ffs_setextattr,		.vop_setextattr = ffs_setextattr,
▲ Show 20 Lines • Show All 270 Lines • ▼ Show 20 Lines	default:
result = VOP_LOCK1_APV(&ufs_vnodeops, ap);		result = VOP_LOCK1_APV(&ufs_vnodeops, ap);
}		}
return (result);		return (result);
#else		#else
return (VOP_LOCK1_APV(&ufs_vnodeops, ap));		return (VOP_LOCK1_APV(&ufs_vnodeops, ap));
#endif		#endif
}		}

		#ifdef INVARIANTS
static int		static int
		ffs_unlock_debug(struct vop_unlock_args *ap)
		{
		struct vnode *vp = ap->a_vp;
		struct inode *ip = VTOI(vp);

		if (ip->i_flag & UFS_INODE_FLAG_LAZY_MASK) {
		if ((vp->v_mflag & VMP_LAZYLIST) == 0) {
		VI_LOCK(vp);
		VNASSERT((vp->v_mflag & VMP_LAZYLIST), vp,
		("%s: modified vnode (%x) not on lazy list",
		__func__, ip->i_flag));
		VI_UNLOCK(vp);
		}
		}
		return (VOP_UNLOCK_APV(&ufs_vnodeops, ap));
		}
		#endif

		static int
ffs_read_hole(struct uio uio, long xfersize, long size)		ffs_read_hole(struct uio uio, long xfersize, long size)
{		{
ssize_t saved_resid, tlen;		ssize_t saved_resid, tlen;
int error;		int error;

while (xfersize > 0) {		while (xfersize > 0) {
tlen = min(xfersize, ZERO_REGION_SIZE);		tlen = min(xfersize, ZERO_REGION_SIZE);
saved_resid = uio->uio_resid;		saved_resid = uio->uio_resid;
▲ Show 20 Lines • Show All 185 Lines • ▼ Show 20 Lines	#endif
* because the loop above resets bp to NULL on each iteration		* because the loop above resets bp to NULL on each iteration
* and on normal completion has not set a new value into it.		* and on normal completion has not set a new value into it.
* so it must have come from a 'break' statement		* so it must have come from a 'break' statement
*/		*/
if (bp != NULL)		if (bp != NULL)
vfs_bio_brelse(bp, ioflag);		vfs_bio_brelse(bp, ioflag);

if ((error == 0 \|\| uio->uio_resid != orig_resid) &&		if ((error == 0 \|\| uio->uio_resid != orig_resid) &&
(vp->v_mount->mnt_flag & (MNT_NOATIME \| MNT_RDONLY)) == 0 &&		(vp->v_mount->mnt_flag & (MNT_NOATIME \| MNT_RDONLY)) == 0)
(ip->i_flag & IN_ACCESS) == 0) {		UFS_INODE_SET_FLAG_SHARED(ip, IN_ACCESS);
VI_LOCK(vp);
UFS_INODE_SET_FLAG(ip, IN_ACCESS);
VI_UNLOCK(vp);
}
return (error);		return (error);
}		}

/*		/*
* Vnode op for writing.		* Vnode op for writing.
*/		*/
static int		static int
ffs_write(ap)		ffs_write(ap)
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